Ice Concentration Differences between mean El Nino condition and mean La Nina condiction. The white line (black Line) is the mean sea ice edge during El Nino years (La Nina years).

Ice Concentration Differences between mean El Nino condition and mean La Nina condiction. The white line (black Line) is the mean sea ice edge during El Nino years (La Nina years) in the area adjacent to the Drake Passage.

Xiaojun Yuan, May 4, 2001